Quartz Crystal with Smoky Phantom – NBB 229

Lovely quartz crystal with some light smoky phantoms in its upper half and lovely gas inclusions

Measurements:  75 x 22 x 16 mm

Description:  A lovely quartz crystal with some light smoky phantoms in its upper half, with just a touch of amethyst colouring to the side. A brownish (?)prehnite crystal is attached to it. When tilted in light, a rainbow can be seen. The lower part has lots of lovely gas inclusions. About one quarter from the bottom is a minute, freely moving bubble.

Near the termination are two small pressure marks, and a flaw. The termination tip has a small nick, and the crystal has a few minute nicks overall. The lower part of the crystal has a few prominent natural pressure marks.

Weight of Specimen:  46.1 g

Chemical Composition:  SiO2  (quartz)  
                                       Ca2Al2Si3O10(OH)2  (prehnite) 

Hardness on Mohs Scale:  (quartz)  7
                                          (prehnite)  6-6.5
                             
Location:  Brandberg, Namibia.

Specimen Code:  NBB 229

US $ SOLD




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